Industrial Drawing and Geometry; an Introduction to Various Branches of Technical DrawingHenry John 1856- Spooner · First published 2015Open the Tome
Machine Drawing and Design for BeginnersHenry John Spooner · First published 1908 · Latest edition 2008Open the Tome
Wealth from waste; elimination of waste a world problemHenry John Spooner · First published 1974Open the Tome
Industrial fatigue in its relation to maximum outputHenry John Spooner · First published 1918Open the Tome